About KAFRITSAS J
About M.I.T., Massachusetts
About GENCER M
About M.I.T., Massachusetts
About EINSTEIN H H
About M.I.T., Massachusetts
About Proceedings of the U.S. Symposium on Rock Mechanics
About cut slope
About Rock burst,gas outburst,blooding,fall
About Mining in general
About Geohydrology
About 剛体
About 要素
About 岩石
About 流水
About 解析